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        <meta charset="utf-8">
        <title>链接伪类选择器</title>
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            *{font-size:28px;}
            a#neteasy{text-decoration:none;}
            a:link{color:green;}
            a:visited{color:red;}
            a:hover{color:blue;}
            a:active{color:black;}
            a#tc:link,a#tc:visited{color:blueviolet;}
            a#tc:hover{color:brown;}
            a#tc:active{color:bisque;}
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    <body>
       <a href="http://www.baidu.com">百度</a>
       <a href="http://www.qq.com" id="tc">腾讯</a>
       <a href="http://www.163.com" id="neteasy">网易</a>
    </body>
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